Alert archive / Pennsylvania / River Flood Warnings in 2009
River Flood Warning 16, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Oct 24, 2009, 9:25 PM EDT for Bucks County, Pennsylvania. It took effect at Oct 25, 2009, 1:24 AM EDT. It was in force for 84 min.
The area
The counties it named.
The facts
- Issued
- Oct 24, 2009, 9:25 PM EDT (01:25 UTC)
- In effect from
- Oct 25, 2009, 1:24 AM EDT
- Expired
- Oct 25, 2009, 2:48 AM EDT
- In force
- 84 min
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- Minor
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 01:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Neshaminy Creek near Langhorne (LNGP1). The gauge peaked at 8.98 ft at Oct 25, 2009, 1:00 AM EDT.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 12 ft
- Major stage
- 14 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01465500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS41 KPHI 250125
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
925 PM EDT SAT OCT 24 2009
...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC017-250725-
/O.NEW.KPHI.FL.W.0016.091025T0524Z-091025T1302Z/
/LNGP1.1.ER.091025T0524Z.091025T0600Z.091025T0702Z.NO/
925 PM EDT SAT OCT 24 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE NESHAMINY CREEK AT LANGHORNE.
* FROM LATE TONIGHT TO SUNDAY MORNING...OR UNTIL THE WARNING IS
CANCELLED.
* AT 8:45 PM SATURDAY THE STAGE WAS 5.0 FEET.
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...RISE ABOVE FLOOD STAGE BY MIDNIGHT TONIGHT AND
CONTINUE TO RISE TO NEAR 9.5 FEET BY 2 AM.
THE RIVER WILL FALL BELOW FLOOD STAGE SUNDAY MORNING.
* IMPACT...AT 10.0 FEET...AT THIS LEVEL SOME HOMES IN THE AREA OF THE
LANGHORNE GAGE ARE EVACUATED
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
NESHAMINY CREEK
LANGHORNE 9.0 5.03 SAT 9 PM 9.5 SUN 2 AM
&&1 follow-up statement
000
WGUS81 KPHI 250648
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
248 AM EDT SUN OCT 25 2009
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN
PENNSYLVANIA...
NESHAMINY CREEK AT LANGHORNE AFFECTING BUCKS COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC017-250718-
/O.CAN.KPHI.FL.W.0016.000000T0000Z-091025T1302Z/
/LNGP1.1.ER.091025T0515Z.091025T0515Z.091025T0515Z.NO/
248 AM EDT SUN OCT 25 2009
* AT 2:15 AM SUNDAY THE STAGE WAS 8.8 FEET AND FALLING.
* NO FLOODING IS CURRENTLY FORECAST.
* FLOOD STAGE IS 9.0 FEET.
* IMPACT...AT 10.0 FEET...AT THIS LEVEL SOME HOMES IN THE AREA OF THE
LANGHORNE GAGE ARE EVACUATED
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
NESHAMINY CREEK
LANGHORNE 9.0 8.79 SUN 2 AM CRESTED AT 9 FT AND NOW FALLING.
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 8:01 PM EDT | Flash Flood Warning | PHI | Bucks, Philadelphia | 4 hr |
| Oct 24, 9:01 PM EDT | Areal Flood Warning | PHI | Montgomery, Philadelphia | 9 hr |
| Oct 24, 9:26 PM EDT | Areal Flood Warning | PHI | Delaware | 5 hr |
| Oct 24, 9:58 PM EDT | Areal Flood Warning | PHI | Montgomery | 4 hr |
Nearby
River Flood Warnings in Pennsylvania, 2009Every river flood warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.